80871196

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 167311872

約数和(自身を除く): 86440676

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 251, 259, 311, 502, 518, 622, 1004, 1036, 1244, 1757, 2177, 3514, 4354, 7028, 8708, 9287, 11507, 18574, 23014, 37148, 46028, 65009, 78061, 80549, 130018, 156122, 161098, 260036, 312244, 322196, 546427, 1092854, 2185708, 2888257, 5776514, 11553028, 20217799, 40435598, 80871196]

約数ペア:

[(1, 80871196), (2, 40435598), (4, 20217799), (7, 11553028), (14, 5776514), (28, 2888257), (37, 2185708), (74, 1092854), (148, 546427), (251, 322196), (259, 312244), (311, 260036), (502, 161098), (518, 156122), (622, 130018), (1004, 80549), (1036, 78061), (1244, 65009), (1757, 46028), (2177, 37148), (3514, 23014), (4354, 18574), (7028, 11507), (8708, 9287)]